<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    body>div>div>p{
      color: red;
    }
  </style>
</head>
<body>
<p>p1</p>

<div><p>p2</p></div>

<div>
  <div><p>p3</p></div>

  <div>
    <div><p>p4</p></div>
  </div>
</div>
</body>
</html>